var isSuccess: boolean = true;
var isCompete = new Boolean()
console.log(typeof isCompete)
console.log(typeof isCompete.valueOf(), isCompete.valueOf())
var isPass: boolean = Boolean(0)
console.log(isPass)

var num1: number = 10;
var num2: number = 3.14;
var num3: number = 0b1010;
var num4: number = 0o71;
var num5: number = 0xff;
var num6: number = Infinity;
var num7: number = NaN;

var str1: string = 'Hello';
var str2: string = "World";
var str3: string = `str1 is ${str1},str2 is ${str2}`
console.log(str3)
